CA3138161A1 - Corps fritte en alliage a base de fer et poudre mixte a base de fer pour metallurgie des poudres - Google Patents
Corps fritte en alliage a base de fer et poudre mixte a base de fer pour metallurgie des poudres Download PDFInfo
- Publication number
- CA3138161A1 CA3138161A1 CA3138161A CA3138161A CA3138161A1 CA 3138161 A1 CA3138161 A1 CA 3138161A1 CA 3138161 A CA3138161 A CA 3138161A CA 3138161 A CA3138161 A CA 3138161A CA 3138161 A1 CA3138161 A1 CA 3138161A1
- Authority
- CA
- Canada
- Prior art keywords
- mass
- powder
- less
- sintered body
- iron
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 129
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 55
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 24
- 239000000956 alloy Substances 0.000 title claims abstract description 24
- 239000011812 mixed powder Substances 0.000 title claims description 37
- 238000004663 powder metallurgy Methods 0.000 title claims description 26
- 239000011148 porous material Substances 0.000 claims abstract description 34
- 239000000843 powder Substances 0.000 claims description 69
- 229910052802 copper Inorganic materials 0.000 claims description 33
- 239000002245 particle Substances 0.000 claims description 31
- 229910052750 molybdenum Inorganic materials 0.000 claims description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 238000005275 alloying Methods 0.000 claims description 24
- 239000012535 impurity Substances 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 17
- 239000000126 substance Substances 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 239000000314 lubricant Substances 0.000 claims description 13
- 239000010949 copper Substances 0.000 description 75
- 238000005245 sintering Methods 0.000 description 20
- 238000004519 manufacturing process Methods 0.000 description 19
- 238000010791 quenching Methods 0.000 description 15
- 230000007423 decrease Effects 0.000 description 12
- 238000007373 indentation Methods 0.000 description 10
- 238000001816 cooling Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 229910052804 chromium Inorganic materials 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 229910052748 manganese Inorganic materials 0.000 description 6
- 239000011817 metal compound particle Substances 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000000171 quenching effect Effects 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000009864 tensile test Methods 0.000 description 4
- 229910001566 austenite Inorganic materials 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 150000004665 fatty acids Chemical class 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000007542 hardness measurement Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001182 Mo alloy Inorganic materials 0.000 description 1
- 244000191761 Sida cordifolia Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- HGPXWXLYXNVULB-UHFFFAOYSA-M lithium stearate Chemical compound [Li+].CCCCCCCCCCCCCCCCCC([O-])=O HGPXWXLYXNVULB-UHFFFAOYSA-M 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- FTQWRYSLUYAIRQ-UHFFFAOYSA-N n-[(octadecanoylamino)methyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCNC(=O)CCCCCCCCCCCCCCCCC FTQWRYSLUYAIRQ-UHFFFAOYSA-N 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000399 optical microscopy Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/09—Mixtures of metallic powders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/16—Both compacting and sintering in successive or repeated steps
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2301/00—Metallic composition of the powder or its coating
- B22F2301/10—Copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2301/00—Metallic composition of the powder or its coating
- B22F2301/35—Iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2302/00—Metal Compound, non-Metallic compound or non-metal composition of the powder or its coating
- B22F2302/40—Carbon, graphite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2304/00—Physical aspects of the powder
- B22F2304/10—Micron size particles, i.e. above 1 micrometer up to 500 micrometer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Nanotechnology (AREA)
- Powder Metallurgy (AREA)
Abstract
Le but de la présente invention est de fournir un corps fritté en alliage à base de fer qui possède une résistance à la traction d'au moins 800 MPa et présente une excellente propriété de coupe. Le corps fritté en alliage à base de fer selon la présente invention présente une microstructure ayant une valeur moyenne de dureté Vickers de 300 à 900 Hv et un écart-type de dureté Vickers de 200 Hv au plus, la circularité moyenne des pores étant d'au moins 0,30.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019-097928 | 2019-05-24 | ||
| JP2019097928 | 2019-05-24 | ||
| PCT/JP2020/016187 WO2020241087A1 (fr) | 2019-05-24 | 2020-04-10 | Corps fritté en alliage à base de fer et poudre mixte à base de fer pour métallurgie des poudres |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3138161A1 true CA3138161A1 (fr) | 2020-12-03 |
Family
ID=73552870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3138161A Pending CA3138161A1 (fr) | 2019-05-24 | 2020-04-10 | Corps fritte en alliage a base de fer et poudre mixte a base de fer pour metallurgie des poudres |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US11884996B2 (fr) |
| EP (1) | EP3978165A4 (fr) |
| JP (1) | JP7036216B2 (fr) |
| KR (1) | KR102647464B1 (fr) |
| CN (1) | CN113840674B (fr) |
| CA (1) | CA3138161A1 (fr) |
| WO (1) | WO2020241087A1 (fr) |
Family Cites Families (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63235403A (ja) * | 1987-03-23 | 1988-09-30 | Sumitomo Metal Ind Ltd | 粉末冶金用合金粉末 |
| JPH11229001A (ja) * | 1998-02-19 | 1999-08-24 | Kawasaki Steel Corp | 高強度焼結部品の製造方法 |
| JP4183346B2 (ja) | 1999-09-13 | 2008-11-19 | 株式会社神戸製鋼所 | 粉末冶金用混合粉末ならびに鉄系焼結体およびその製造方法 |
| JP4001450B2 (ja) | 2000-05-02 | 2007-10-31 | 日立粉末冶金株式会社 | 内燃機関用バルブシートおよびその製造方法 |
| JP3651420B2 (ja) | 2000-08-31 | 2005-05-25 | Ｊｆｅスチール株式会社 | 粉末冶金用合金鋼粉 |
| JP4145127B2 (ja) | 2002-11-22 | 2008-09-03 | 三井金属鉱業株式会社 | フレーク銅粉及びそのフレーク銅粉の製造方法並びにそのフレーク銅粉を用いた導電性ペースト |
| CA2476836C (fr) | 2003-08-18 | 2009-01-13 | Jfe Steel Corporation | Poudre d'acier allie pouvant servir en metallurgie des poudres |
| EP1927580B1 (fr) | 2006-12-01 | 2011-01-12 | Michael J. Ruthner | Procédé de production d'une poudre de fer ou d'une poudre d'acier à partir d'une poudre d'oxide de fer par oxidation et reduction |
| US20120048063A1 (en) | 2007-01-30 | 2012-03-01 | Jfe Steel Corporation A Corporation Of Japan | High compressibility iron powder, and iron powder for dust core and dust core using the same |
| JP4789837B2 (ja) | 2007-03-22 | 2011-10-12 | トヨタ自動車株式会社 | 鉄系焼結体及びその製造方法 |
| MX2009013582A (es) | 2007-06-14 | 2010-01-26 | Hoeganaes Ab Publ | Polvo a base de hierro y composiciones que lo contienen. |
| KR100978901B1 (ko) * | 2008-03-21 | 2010-08-31 | 가야에이엠에이 주식회사 | 고인장강도 및 고경도를 가지는 철계 소결체 제조 방법 |
| JP2009242887A (ja) | 2008-03-31 | 2009-10-22 | Jfe Steel Corp | 鉄基粉末混合物 |
| JP5208647B2 (ja) | 2008-09-29 | 2013-06-12 | 日立粉末冶金株式会社 | 焼結バルブガイドの製造方法 |
| JP5504863B2 (ja) | 2009-12-10 | 2014-05-28 | Ｊｆｅスチール株式会社 | 粉末冶金用混合粉および切削性に優れた金属粉末製焼結体 |
| WO2011145477A1 (fr) | 2010-05-19 | 2011-11-24 | 住友電気工業株式会社 | Poudre pour un élément magnétique, pastille de poudre compacte, et élément magnétique |
| JP5903738B2 (ja) | 2012-03-29 | 2016-04-13 | 住友電工焼結合金株式会社 | 鉄系焼結合金の製造方法 |
| CA2893945C (fr) | 2012-12-28 | 2016-08-02 | Jfe Steel Corporation | Poudre a base de fer pour metallurgie des poudres |
| JP6048216B2 (ja) | 2013-02-28 | 2016-12-21 | セイコーエプソン株式会社 | マグネシウム基合金粉末およびマグネシウム基合金成形体 |
| US20160223016A1 (en) | 2013-10-03 | 2016-08-04 | Ntn Corporation | Sintered bearing and manufacturing process therefor |
| JP6222189B2 (ja) | 2014-12-05 | 2017-11-01 | Ｊｆｅスチール株式会社 | 粉末冶金用合金鋼粉および焼結体 |
| WO2016088333A1 (fr) | 2014-12-05 | 2016-06-09 | Ｊｆｅスチール株式会社 | Poudre d'acier allié pour la métallurgie des poudres, et pièce frittée |
| WO2016092827A1 (fr) * | 2014-12-12 | 2016-06-16 | Ｊｆｅスチール株式会社 | Poudre d'alliage à base de fer pour la métallurgie des poudres, et élément forgé à chaud |
| KR102022947B1 (ko) | 2015-01-14 | 2019-11-04 | 제이에프이 스틸 가부시키가이샤 | 환원철분의 제조 방법 및 베어링의 제조 방법 |
| SE541267C2 (en) * | 2015-09-11 | 2019-05-28 | Jfe Steel Corp | Method of producing mixed powder for powder metallurgy, method of producing sintered body, and sintered body |
| WO2017047101A1 (fr) * | 2015-09-18 | 2017-03-23 | Ｊｆｅスチール株式会社 | Corps fritté à base de fer, et procédé de fabrication de celui-ci |
| US10710155B2 (en) * | 2015-09-18 | 2020-07-14 | Jfe Steel Corporation | Mixed powder for powder metallurgy, sintered body, and method of manufacturing sintered body |
| JP6515955B2 (ja) * | 2016-07-15 | 2019-05-22 | Ｊｆｅスチール株式会社 | 粉末冶金用混合粉末および鉄基焼結体の製造方法 |
| JP6528899B2 (ja) | 2017-02-02 | 2019-06-12 | Ｊｆｅスチール株式会社 | 粉末冶金用混合粉および焼結体の製造方法 |
-
2020
- 2020-04-10 KR KR1020217037063A patent/KR102647464B1/ko active IP Right Grant
- 2020-04-10 WO PCT/JP2020/016187 patent/WO2020241087A1/fr unknown
- 2020-04-10 CA CA3138161A patent/CA3138161A1/fr active Pending
- 2020-04-10 EP EP20814461.8A patent/EP3978165A4/fr active Pending
- 2020-04-10 US US17/595,648 patent/US11884996B2/en active Active
- 2020-04-10 JP JP2020537798A patent/JP7036216B2/ja active Active
- 2020-04-10 CN CN202080037016.3A patent/CN113840674B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113840674B (zh) | 2023-12-01 |
| JP7036216B2 (ja) | 2022-03-15 |
| EP3978165A1 (fr) | 2022-04-06 |
| US20220219229A1 (en) | 2022-07-14 |
| EP3978165A4 (fr) | 2022-11-09 |
| KR102647464B1 (ko) | 2024-03-13 |
| JPWO2020241087A1 (ja) | 2021-09-13 |
| US11884996B2 (en) | 2024-01-30 |
| WO2020241087A1 (fr) | 2020-12-03 |
| CN113840674A (zh) | 2021-12-24 |
| KR20210149177A (ko) | 2021-12-08 |
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